8.7 Addition and Subtraction of Light

Only allow the light of the same colour to pass through, light of other colours are absorbed.

• Primary colour filters

• Secondary colour filters

Tags

NGSS.MS-PS4-2

The colors orange, violet, and indigo belong to which of the following groups?

• The visible light spectrum

• Primary colors of light

• Secondary colors of light

• None of the above

Which of the following is NOT a primary color of light?

• Red

• Blue

• Yellow

• Green

White light is shined through a magenta filter. Which of the following will be BLOCKED by the filter? (choose all that apply)

• Red

• Blue

• Green

• Magenta

Tags

NGSS.MS-PS4-2

A white light is shined through a cyan filter, and then a magenta filter. What color will appear?

• blue

• green

• red

• black

A white light is shined through a cyan filter, and then a yellow filter. What color will appear?

• blue

• green

• red

• black

Which of the following filters could be used together to block out all light?

• Blue

• Magenta

• Red

Tags

NGSS.MS-PS4-2

A white light shined through a red filter is shined toward a blank space. If a green light is also shined on that space, what color will result?

• yellow

• magenta

• cyan

• red

• green

Tags

NGSS.MS-PS4-2

Which two filters could be combined to make a white light appear red?

• blue

• cyan

• magenta

• yellow

• green

How does light behave when hitting this shirt?

• Yellow is absorbed; all other colors are reflected.

• Yellow is reflected; all other colors are absorbed.

• All colors are absorbed, but yellow is refracted.

• Yellow is scattered and all other colors are absorbed.

Tags

NGSS.MS-PS4-2